The multipurpose writing plate is composed of a baseplate, a writing board and an arithmetic unit. The arithmetic unit is fixed to the baseplate.
多用书写板是由基板、书写板和运算器组成，运算器固定在基板上。
The multipurpose writing plate not only can be used for writing and copying, but also has the function of calculation. The utility model has the advantages of convenient portability and easy use.
这种多用书写板，不仅可用做练字、临摹，还具有运算功能，便于携带，使用方便。
The multipurpose writing plate not only can be used for writing and copying, but also has the function of calculation. The utility model has the advantages of convenient portability and easy use.
这种多用书写板，不仅可用做练字、临摹，还具有运算功能，便于携带，使用方便。
应用推荐